From: Ahmad Fatoum <[email protected]> [ Upstream commit 8fabc9c3109a71b3577959a05408153ae69ccd8d ]
To properly synchronize with other devices the fence from the GEM object backing the framebuffer needs to be attached to the atomic state, so the commit work can wait on fence signaling. Signed-off-by: Ahmad Fatoum <[email protected]> Signed-off-by: Lucas Stach <[email protected]> Acked-by: Philippe Cornu <[email protected]> Tested-by: Philippe Cornu <[email protected]> Signed-off-by: Benjamin Gaignard <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Sasha Levin <[email protected]> --- drivers/gpu/drm/stm/ltdc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index d394a03632c45..c3bd80b03f165 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -20,6 +20,7 @@ #include <drm/drm_crtc_helper.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_gem_cma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_of.h> #include <drm/drm_bridge.h> #include <drm/drm_plane_helper.h> @@ -691,6 +692,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = { }; static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = { + .prepare_fb = drm_gem_fb_prepare_fb, .atomic_check = ltdc_plane_atomic_check, .atomic_update = ltdc_plane_atomic_update, .atomic_disable = ltdc_plane_atomic_disable, -- 2.20.1
